每日钉一下（同一公司的A股与港股股票，长期回报哪个更高？）

Group 1 - The core concept of fund advisory is to address the issue where funds make profits, but investors do not [4] - Fund advisory services are designed to help investors achieve better returns through professional guidance [5] - The article mentions a free course available for those interested in understanding fund advisory better [5][7] Group 2 - The performance of A-shares and H-shares varies over different periods, with H-shares sometimes outperforming A-shares and vice versa [8] - Long-term returns of A-shares and H-shares are relatively similar, particularly for mainland companies listed in Hong Kong [9] - The Hang Seng AH Premium Index measures the price difference between A-shares and H-shares of the same company, indicating the premium of A-shares [10]